B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) B29C 47/06 (2006.01) E04D 1/20 (2006.01) E04F 13/18 (2006.01) E04F 15/10 (2006.01)
Patent
CA 2674884
A variegated capstock for covering a substrate for a building product has polymeric streaks in a non-clear, non-opaque matrix. Rapid cooling of the matrix minimizes formation of crystallites, such that the polymeric streaks become visible through a surface of the non-opaque matrix. The streaks are visible by having a color or an index of refraction different from that of the matrix. The matrix is in one or more layers, and the polymeric streaks are in the layers. The substrate is visible through the non-clear, non-opaque matrix and can appear partially obscured by the non-clear, non-opaque matrix.
L'invention concerne un capstock panaché pour recouvrir un substrat pour un produit de construction ayant des stries polymères dans une matrice non transparente et non opaque. Un refroidissement rapide de la matrice minimise la formation de cristallites, de sorte que les stries polymères deviennent visibles à travers une surface de la matrice non opaque. Les stries sont visibles en ce qu'elles ont une couleur ou un indice de réfraction différent de celui de la matrice. La matrice est constituée d'une ou de plusieurs couches et les stries polymères se trouvent dans les couches. Le substrat est visible à travers la matrice non transparente et non opaque et peut apparaître partiellement obscurci par la matrice non transparente et non opaque.
Jacobs Gregory F.
Kalkanoglu Husnu
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Certainteed Corporation
LandOfFree
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